• Phoenix sees record temperatures, but not for long

    Phoenix sees record temperatures, but not for long

  • Phoenix heats up

    Phoenix heats up

  • Phoenix hits 100 degrees for the first time in 2017

    Phoenix hits 100 degrees for the first time in 2017

  • Salt River Tubing open for 2017

    Salt River Tubing open for 2017

  • Lightning over Phoenix

    Lightning over Phoenix

  • Clouds over Phoenix

    Clouds over Phoenix

  • Dust storm hits Falcon Park in Phoenix

    Dust storm hits Falcon Park in Phoenix

Temperatures expected to drop into upper 90s later this week.

Ready or not, here comes the triple-digit heat. 

Phoenix reached a high of 101 at 3:31 p.m. Sunday before dropping back to 99 degrees in the late afternoon, according to the National Weather Service.

Temperatures on Monday are predicted to reach 104 degrees, falling to 76 in the evening. 

The triple digits are due to the “rigid, high pressure, slowly shifting in our area,” said Travis Wilson, a meteorologist for the National Weather Service. 

More:Phoenix hits first 100-degree day of 2017

The infamous Arizona heat that Valley residents know far too well is getting started a little bit late this year, and even those not from Arizona have appreciated this cooler May. 

Mark Weaver, a Nebraska resident, was in downtown Phoenix on Sunday for a Population Assessment of Tobacco and Health conference, and isn’t keen to stay for the upcoming heat. 

“Back in Nebraska, it’s about 60 degrees. I can’t imagine living here in triple-digit heat for multiple months of the year,” he said.

He is planning to leave Tuesday, “so I don’t have to endure too much,” of the heat, he said.

Later this week, temperatures are expected to drop back into the upper 90s, offering the slightest of reprieves for those in the Phoenix area. 

Reporter Adrian Marsh contributed to this story.

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